Maple Leaf GBB HopUp Chamber Unit for VFC Glock Gen. 5 Training Knifes Unity Tactical FAST™ is a

Unity Tactical FAST™ is a series of optic mounts that provide end-users with a quicker sight picture than standard height mounts

Magazine Capacity: 25+1 Rounds

STORM High-Pressure Regulator

Internal 900 round magazine (found underneath the feed tray cover) allows you to lay down fire

Maple Leaf GBB HopUp Chamber Unit for VFC Glock Gen. 5 Training Knifes Unity Tactical FAST™ is aFor (VFC) G series Pistol Series Hop wheel + Vertical tensioner design to decrease the original parts tolerance Vertical tensioner with curve shape design for good setting of BBs Stable Hop effect and better air seal Suitable with Maple Leaf GBB VSR Hop rubber and pistol inner barrel or "Crazy Jet" inner barrel Additional Vertical tensioner for backup or user can modify it by youself.